HZ…L Series
SILICON EPITAXIAL PLANER ZENER DIODES
for low noise application
Features
• Diode noise level of this series is approximately
1/3 – 1/10 lower than the HZ series.
• Low leakage, low zener impedance and maximum
power dissipation of 400 mW are ideally suited for
stabilized power supply, etc.
• Wide spectrum from 5.2 V through 38 V of zener
voltage provide flexible application.
Max. 0.5
Min. 27.5
Max. 1.9
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
XXX
ST
Max. 3.9
Min. 27.5
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
Symbol
P
d
T
j
T
S
Value
400
175
- 55 to + 175
Unit
mW
O
C
C
O
Characteristics at T
a
= 25
O
C
Type
HZ6LA1
HZ6LA2
HZ6LA3
HZ6LB1
HZ6LB2
HZ6LB3
HZ6LC1
HZ6LC2
HZ6LC3
HZ7LA1
HZ7LA2
HZ7LA3
HZ7LB1
HZ7LB2
HZ7LB3
HZ7LC1
HZ7LC2
HZ7LC3
HZ9LA1
HZ9LA2
HZ9LA3
HZ9LB1
HZ9LB2
HZ9LB3
HZ9LC1
HZ9LC2
HZ9LC3
Min.
5.2
5.3
5.4
5.5
5.6
5.7
5.8
6
6.1
6.3
6.4
6.6
6.7
6.9
7
7.2
7.3
7.5
7.7
7.9
8.1
8.3
8.5
8.7
8.9
9.1
9.3
Zener Voltage
V
Z
(V)
1)
Max.
5.5
5.6
5.7
5.8
5.9
6
6.1
6.3
6.4
6.6
6.7
6.9
7
7.2
7.3
7.6
7.7
7.9
8.1
8.3
8.5
8.7
8.9
9.1
9.3
9.5
9.7
Maximum Reverse Current
I
R
(µA)
V
R
(V)
Maximum Dynamic Resistance
r
d
(Ω)
l
Z
(mA)
150
0.5
I
Z
(mA)
0.5
1
2
80
0.5
60
0.5
0.5
1
3.5
60
0.5
0.5
1
6
60
0.5
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
HZ…L Series
Characteristics at T
a
= 25
O
C
Type
HZ11LA1
HZ11LA2
HZ11LA3
HZ11LB1
HZ11LB2
HZ11LB3
HZ11LC1
HZ11LC2
HZ11LC3
HZ12LA1
HZ12LA2
HZ12LA3
HZ12LB1
HZ12LB2
HZ12LB3
HZ12LC1
HZ12LC2
HZ12LC3
HZ15L1
HZ15L2
HZ15L3
HZ16L1
HZ16L2
HZ16L3
HZ18L1
HZ18L2
HZ18L3
HZ20L1
HZ20L2
HZ20L3
HZ22L1
HZ22L2
HZ22L3
HZ24L1
HZ24L2
HZ24L3
HZ27L1
HZ27L2
HZ27L3
HZ30L1
HZ30L2
HZ30L3
HZ33L1
HZ33L2
HZ33L3
HZ36L1
HZ36L2
HZ36L3
1)
Min.
9.5
9.7
9.9
10.2
10.4
10.7
10.9
11.1
11.4
11.6
11.9
12.2
12.4
12.6
12.9
13.2
13.5
13.8
14.1
14.5
14.9
15.3
15.7
16.3
16.9
17.5
18.1
18.8
19.5
20.2
20.9
21.6
22.3
22.9
23.6
24.3
25.2
26.2
27.2
28.2
29.2
30.2
31.2
32.2
33.2
34.2
35.3
36.4
Zener Voltage
V
Z
(V)
1)
Max.
9.9
10.1
10.3
10.6
10.8
11.1
11.3
11.6
11.9
12.1
12.4
12.7
12.9
13.1
13.4
13.7
14
14.3
14.7
15.1
15.5
15.9
16.5
17.1
17.7
18.3
19
19.7
20.4
21.1
21.9
22.6
23.3
24
24.7
25.5
26.6
27.6
28.6
29.6
30.6
31.6
32.6
33.6
34.6
35.7
36.8
38
I
Z
(mA)
Maximum Reverse Current
I
R
(µA)
V
R
(V)
Maximum Dynamic Resistance
r
d
(Ω)
l
Z
(mA)
0.5
1
8
80
0.5
0.5
1
10.5
80
0.5
0.5
1
13
80
0.5
0.5
1
14
80
0.5
0.5
1
15
80
0.5
0.5
1
18
100
0.5
0.5
1
20
100
0.5
0.5
1
22
120
0.5
0.5
1
24
150
0.5
0.5
1
27
200
0.5
0.5
1
30
250
0.5
0.5
1
33
300
0.5
Tested with pulses tp = 20 ms.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
HZ…L Series
Fig.1- Zener current versus zener voltage
10
-2
HZ12B2L
HZ6B2L
HZ24-2L
Zener Current Iz (A)
10
-5
10
-6
10
-7
10
-8
HZ36-2L
10
-4
HZ30-2L
10
-3
HZ16-2L
HZ9B2L
HZ20-1L
0
5
10
15
20
25
30
35
40
Zener voltage Vz (v)
Fig.2 Temperature Coefficient
Vs. Zener voltage
Fig. 3 Power dissipation Vs.
Ambient temperature
( %/ C)
%/ C
Zener voltage
temperature coefficient z (mV / C)
mV / C
Power dissipation Ptot
( mW )
Zener voltage
temperature coefficient
z
I
= 5 mm
I
= 10 mm
I = 20 mm
(publication value)
Zener voltage
V
Z
( V )
Ambient temperature T
a ( C )
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 22/06/2007
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